2031222011123 has 2 divisors, whose sum is σ = 2031222011124. Its totient is φ = 2031222011122.

The previous prime is 2031222011113. The next prime is 2031222011227. The reversal of 2031222011123 is 3211102221302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031222011123 - 2¹⁰ = 2031222010099 is a prime.

It is a super-2 number, since 2×2031222011123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031222011095 and 2031222011104.

It is not a weakly prime, because it can be changed into another prime (2031222011113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015611005561 + 1015611005562.

It is an arithmetic number, because the mean of its divisors is an integer number (1015611005562).

Almost surely, 2^{2031222011123} is an apocalyptic number.

2031222011123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031222011123 is an equidigital number, since it uses as much as digits as its factorization.

2031222011123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2031222011123 its reverse (3211102221302), we get a palindrome (5242324232425).

The spelling of 2031222011123 in words is "two trillion, thirty-one billion, two hundred twenty-two million, eleven thousand, one hundred twenty-three".